PA11 PA21 Georg Fischer Pneumatic actuator type PA11/PA21
Product Description:
The PA11 and PA21 Pneumatic Actuators shall be of rack and pinion design with options for fail-safe to close, fail-safe to open and double acting functionalities. The outer housing material of construction shall be glass-filled polypropylene. Actuator end caps shall be threaded over the actuator housing to create a pressure tight seal and secure any spring packs. The actuator top mount shall be NAMUR compliant and feature an optical position indicator with field adjustable tabs with four insert positions stationed 90 degrees apart.
The pneumatic connection ports shall be threaded BSP and fail-safe variants shall utilize a pneumatic exhaust port insert. The actuator base mount shall be of standard F0 pattern per DIN ISO 5211 and the drive shall be a Georg Fischer specific spline pattern with options to adapt to standard metric square or double square stem designs. All actuators shall be manufactured under ISO9001 for Quality and ISO14001 for Environmental Management.
Features:
- Actuator Housing: Glass-filled PP
- Control Media: Compressed air
- Pneumatic Connection: G1/8”
- Cycle Time: 1-2 sec
- Stroke: 90 degrees
- Action: FC, FO, DA
- Max DA Control Pressure: 101psi
- Max FC/FO Control Pressure: 65psi
- Position Indicator: Optical, integrated
- Top Mount: NAMUR compliant
- Base Mount: ISO 5211 compliant
- Stroke Limiter: Optional, 45 degrees
| 3-2759.391 | 3-2735-60 | 3-2551-P2-12 | 3-2450-7U | 3-2850-52-39V |
| 3-8150-P0 | 3-9900.398-1 | 3-2551-T0-12 | 3-2450-7U | P51550-3 |
| 3-2551-P0-12 | 3-0252 | 3-2551-T1-12 | 3-2450-7H | P525-1S |
| 3-2250-11U | 3-2850-52-40V | 3-2551-P1-22 | P525-2S | 3-2724-10 |
| 3-2537-5C-P0 | 3-2874-A525 | 3-2551-P1-42 | 3-2250-11L | 3-2839-1V |
| 3-2850-51-40 | 3-2822-2K-050 | 5541-4184 | 3-2537-6C-T0 | 3-2839-1V |
| 3-2850-52-39 | P52504-1 | 3-2551-P2-42 | 3-2850-52-39 | 3-9950-2 |
| 3-2850-52-40 | P52509 | 3-2552-22-B-11 | 3-9900.394 | 3-9950.395-M |
| 3-2850-62 | P51530-P0 | 3-2726-HF-00 | 3-2850-51-41V | 3-9950.393-1 |
| 3-2850-62 | P51530-P1 | 3-9900-1P | 3-2850-51-41V | P51530-P0 |
| 3-2551-P2-22 | P51530WO | 3-9900-1 | 3-2850-51-42V | 3-2536.322-1 |
| 3-2724-01 | P51550-3 | 3-2536-PO-050 | 3-9950-1 | 3-2821-1 |
